If you wish to accomplish maintenance to your Yamaha IT 175 D then it will always be a good plan to have access to a Workshop Manual to use as personal reference just in case you need to know tips on how to remove a certain component much like the Drive Shaft and match it again effectively.
Yamaha IT 175 D Workshop Manuals offers you specified diagnostic facts for the automobile therefore if something is faulty it helps you work out what the situation is and the way to correct it. After that you can decide if this can be achieved on your own or if the job is simply too big it is possible to book your IT 175 D in with a decent mechanic.
Yamaha IT 175 D manual